... switch mainly applies to 440V and below,AC 50Hz or 240V and below DC circuits.For breaking and closing,change-over of ... the typical application are:control switch of 3 phase motors,control switch gear,control switch of instruments,and change-over switch of machinery and welding machine. ... 25A, 32A, 63A, 125A and 160A.2) Functions:control switch and motor switch.3) Comply with the GB 14048.3, GB 14048 ...